Latest Tunnel Boring Machines News

Italy: Webuild Consortium Awarded Trento Bypass Contract

Webuild consrtium chosen to design and construct a rail bypass in Trento, Italy for Lot 3A of the Brenner Base Tunnel.

Tunnel Boring Machines Reach Halfway Point on HS2 Chiltern Tunnels

HS2's tunnel boring machines, Florence and Cecilia have passed the halfway point on their 10-mile journey excavating the Chiltern tunnels.

Canada: Tunnelling Commences on Scarborough Subway Extension

Metrolinx has announced that tunnelling is now underway on Scarborough’s 7.8-km subway extension in Toronto, Canada. 

HS2 Celebrates Construction Milestone with Relaunch of TBM Dorothy

HS2’s tunnel boring machine (TBM) Dorothy has begun its second one-mile tunnel bore under Long Itchington Wood in Warwickshire.

HS2 Launches Second TBM to Tunnel Under London

A second 140 metre long, 2,050 tonnes tunnel boring machine (TBM) has begun its journey across London for HS2.

Sydney Metro West Welcomes First Tunnel Boring Machines

Sydney Metro West's first tunnel boring machines have arrived at The Bays Station to carve out 11-kilometre tunnels to Sydney Olympic Park. 

Tunnelling Begins on Vancouver’s Broadway Subway Project

Tunnel excavation will now begin on Vancouver’s Broadway Subway project. This will extend the city’s Millennium Line by 5.7 kilometres.

HS2 Launches First of Six TBMs to Tunnel Under London

HS2 has launched the first of six tunnel boring machines (TBMs) that will dig more than 26 miles of tunnels under London.   

HS2 Tunnel Boring Machine Completes First Breakthrough

Dorothy, HS2’s 2000-tonne tunnel boring machine, has made its first breakthrough on the UK's high-speed rail line from London to Birmingham.

ÖBB Celebrates First Breakthrough in Semmering Base Tunnel

ÖBB has achieved its first breakthrough in boring the Semmering Base Tunnel, connecting Göstritz and Fröschnitzgraben in Austria.

Tunnel Boring Machine Completes Work for Grand Paris Express Line 17

The Florence tunnel boring machine has completed a 3.4 kilometre tunnel for Line 17 of the Grand Paris Express.

New Grand Paris Express Milestone with Breakthrough of TBM Mireille

A key milestone in the Grand Paris Express project has been achieved with the first breakthrough of tunnel boring machine Mireille.

HS2 Tunnel Boring Machines Reach Chalfont St Peter Ventilation Shaft

The two tunnel boring machines digging the HS2 twin tunnels under the Chilterns have reached the ventilation shaft at Chalfont St Peter.

Peru: Celebrations for Lima Metro’s First TBM Breakthrough

The first tunnel‐boring machine (TBM) to excavate beneath the city of Lima, Peru has completed its initial section of tunnel.

Austria: Webuild Begins Work on New Brenner Base Tunnel Lot

WeBuild has begun work on Lot H41 Gola del Sill‐Pfons of the Brenner Base Tunnel using 2 tunnel‐boring machines with a diameter of over 10m.

Canada: TBMs Travel to Toronto to Dig Eglinton Crosstown West Extension Tunnels

Work on Toronto’s Eglington Crosstown West Extension is a step closer to starting, as the project’s TBMs are now on their way to Canada.

HS2 Launches First Tunnel Boring Machine in the Midlands

The first tunnel boring machine working on HS2 in the Midlands launched on 2 December, excavating a one-mile tunnel in Warwickshire.

Scarborough Subway Extension Tunnel Boring Machine Undertakes Quality Control and Testing Prior to Shipment

Workers in Schwanau, Germany, have been busy manufacturing t the Scarborough Subway Extension’s tunnel boring machine (TBM).

Second TBM Enters Service for Sydney Metro Project

The second of five tunnel boring machines (TBMs) has begun working. Tunnel boring machine Mum Shirl will now help the first TBM put to work,…

Sydney Metro TBMs to Begin Work on the Project's Tunnels

Sydney Metro has announced that tunnelling works have begun in the city. The Sydney Metro TBMs have been designed specifically to deal with …

Tunnelling Complete on London Underground's Northern Line Extension

London Underground's Northern Line Extension reached a major milestone yesterday, 08 November, with the completion of tunnelling work.

Quito Metro: Highest Metro System in the World Currently Under Construction

In Quito, Ecuador, one of the highest metro systems in the world is currently being built. The quito metro is expected to be operational by …

Qatar Rail Marks 100km of Tunnelling on Doha Metro

Qatar Rail Marks 100km of Tunnelling on Doha Metro, marking 90% of tunnelling complete, and 41% of overall progress on the ambitious project…

Crossed Off – The Naming of the Crossrail TBMs